skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : CANADIAN ENERGY SERVICES L.P.
Total Assignments: 22
Assignment: 1
Reel/Frame:019505/0090   Pages: 3
Recorded: 06/22/2007
Attorney Dkt #:CES001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HRE LTD.
Exec Dt:
12/19/2006
Assignee
1
CANADIAN ENERGY SERVICES L.P.
311 - 6TH AVENUE S.W.
SUITE 300 ENERGY PLAZA
CALGARY, ALBERTA T2P 3HZ, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7705099
US20070244013
11729775
Correspondence name and address
EVERETT G. DIEDERIKS, JR.
DIEDERIKS & WHITELAW, PLC
12471 DILLINGHAM SQUARE, #301
WOODBRIDGE, VA 22192
Assignment: 2
Reel/Frame:031987/0835   Pages: 7
Recorded: 01/16/2014
Attorney Dkt #:212647/BLG003NPC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TERVITA CORPORATION
Exec Dt:
11/21/2012
Assignee
1
CANADIAN ENERGY SERVICES L.P.
SUITE 1400, 700 - 4TH AVENUE SW
CALGARY, ALBERTA, CANADA T2P 3J4
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20080214413
12090016
 
NONE
US20110224108
13113645
 
NONE
US20140041944
14057981
Correspondence name and address
DOUG ROMMELMANN/ ANDREWS KURTH LLP
600 TRAVIS, SUITE 4200
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:032267/0036   Pages: 9
Recorded: 02/21/2014
Attorney Dkt #:71904-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7989399
US20080217064
12025164
 
8387723
US20100089650
12529583
 
8703658
US20110306524
13171273
 
8338340
US20110281777
13193170
 
10738229
US20130225457
13776914
 
9850416
US20130206479
13817635
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 4
Reel/Frame:032597/0804   Pages: 9
Recorded: 04/03/2014
Attorney Dkt #:71904-25
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140213489
14244365
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 5
Reel/Frame:033595/0554   Pages: 9
Recorded: 08/22/2014
Attorney Dkt #:71904-16
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9670394
US20130126243
13739980
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 6
Reel/Frame:036719/0763   Pages: 9
Recorded: 10/02/2015
Attorney Dkt #:71904-26
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160024368
14826012
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 7
Reel/Frame:040329/0796   Pages: 9
Recorded: 11/15/2016
Attorney Dkt #:71904-27
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9969920
US20170058178
15348629
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 8
Reel/Frame:040449/0032   Pages: 9
Recorded: 11/29/2016
Attorney Dkt #:71904-28
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10876027
US20170058179
15353331
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 9
Reel/Frame:041598/0008   Pages: 9
Recorded: 03/16/2017
Attorney Dkt #:71904-29
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10202532
US20170174973
15451002
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 10
Reel/Frame:045493/0496   Pages: 9
Recorded: 04/10/2018
Attorney Dkt #:71904-35
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10280353
US20180223154
15949393
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 11
Reel/Frame:054457/0066   Pages: 9
Recorded: 11/24/2020
Attorney Dkt #:71904-34
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TECH-STAR FLUID SYSTEMS INC.
Exec Dt:
11/19/2013
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 2X6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11591506
US20210071058
17101445
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 12
Reel/Frame:033482/0472   Pages: 10
Recorded: 08/06/2014
Attorney Dkt #:PAT 81119-2/PAT 81119A-2
Conveyance: ASSET PURCHASE AGREEMENT
Assignor
1
CANWELL ENVIRO-INDUSTRIES LTD.
Exec Dt:
07/01/2014
Assignee
1
CANADIAN ENERGY SERVICES L.P.
700 - 4TH AVE SW
SUITE 1400
CALGARY, CANADA T2P 3J4
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
6582624
US20020139717
09776595
 
7115215
US20030234383
10411654
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET
SUITE 1100
OTTAWA, K1P 1J9 CANADA
Assignment: 13
Reel/Frame:034745/0411   Pages: 3
Recorded: 01/19/2015
Attorney Dkt #:PAT 7709-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HALE, JONATHAN ROBERT
Exec Dt:
08/06/2014
Assignee
1
CANADIAN ENERGY SERVICES L.P.
700-4TH STREET AVE. SW
SUITE 1400
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150159072
14564547
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET
SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 14
Reel/Frame:034755/0333   Pages: 5
Recorded: 01/20/2015
Attorney Dkt #:074378.000028
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
HSBC BANK CANADA
Exec Dt:
09/05/2014
Assignee
1
CANADIAN ENERGY SERVICES L.P.
SUITE 1400, 700-4TH AVENUE SW
CALGARY, CANADA T2P 3J4
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5344818
NONE
08139285
 
5396958
NONE
08224901
 
5936059
NONE
08919943
 
5945164
NONE
09020532
 
6135207
NONE
09140494
 
6213214
NONE
09253111
 
6206103
NONE
09363615
 
6720291
US20030041778
09935808
 
7407687
US20070160755
11330510
 
7723273
NONE
12646749
 
7811974
NONE
12774290
 
8241491
NONE
13251224
 
8211294
NONE
13425581
Correspondence name and address
CONSTANCE GALL RHEBERGEN
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 15
Reel/Frame:036909/0587   Pages: 3
Recorded: 10/29/2015
Attorney Dkt #:PAT 7770-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALE, JONATHAN ROBERT
Exec Dt:
12/09/2014
2
GRAY, JASON
Exec Dt:
12/15/2014
Assignee
1
CANADIAN ENERGY SERVICES L.P.
700 - 4TH AVENUE SW
SUITE 1400
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10161204
US20160138349
14926039
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET
SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 16
Reel/Frame:035369/0475   Pages: 3
Recorded: 04/09/2015
Attorney Dkt #:PAT 7684-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EWANEK, JOHN
Exec Dt:
12/10/2014
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150144639
14551764
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET
SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 17
Reel/Frame:040254/0970   Pages: 5
Recorded: 11/08/2016
Attorney Dkt #:PAT 84451-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HORTON, DAVID
Exec Dt:
04/01/2016
2
SODERBERG, JEFFREY
Exec Dt:
04/04/2016
3
SUHAI, WES
Exec Dt:
04/01/2016
Assignee
1
CANADIAN ENERGY SERVICES L.P.
700 - 4TH AVE SW
SUITE 1400
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10006898
US20170269054
15336449
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET
SUITE 1300
OTTAWA, K1P 1J9 CANADA
Assignment: 18
Reel/Frame:045857/0544   Pages: 4
Recorded: 05/21/2018
Attorney Dkt #:PAT 84538-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCEWEN, JOHN G.E.
Exec Dt:
08/31/2016
2
DIMMICK, RAQUEL MARIE
Exec Dt:
08/31/2016
Assignee
1
CANADIAN ENERGY SERVICES L.P.
700 - 4TH AVENUE SW
SUITE 1400
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10550316
US20180030335
15662895
Correspondence name and address
BORDEN LADNER GERVAIS LLP
100 QUEEN STREET #1300
OTTAWA, K1P 1J9 CANADA
Assignment: 19
Reel/Frame:053849/0429   Pages: 4
Recorded: 09/22/2020
Attorney Dkt #:71904-39
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SMITH, CARL KEITH
Exec Dt:
07/24/2017
2
GAWRYLUK, JOSH
Exec Dt:
07/27/2017
Assignee
1
CANADIAN ENERGY SERVICES L.P.
SUITE 1400, 700 - 4TH AVENUE SW
CALGARY, CANADA T2P 3J4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11155742
US20190316019
16317259
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 20
Reel/Frame:051821/0066   Pages: 3
Recorded: 02/14/2020
Attorney Dkt #:4361.003US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HORTON, DAVID
Exec Dt:
12/12/2019
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400,332 6TH AVENUE SW
CALGARY, CANADA T2P 0B2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10913029
US20200261844
16791080
Correspondence name and address
TED WHITLOCK SANTUCCI PRIORE, PL
200 S. ANDREWS AVENUE
SUITE 100
FORT LAUDERDALE, FL 33301
Assignment: 21
Reel/Frame:063631/0001   Pages: 5
Recorded: 05/12/2023
Attorney Dkt #:71904-54
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SODERBERG, JEFFREY
Exec Dt:
07/14/2022
2
HORTON, DAVID
Exec Dt:
07/14/2022
3
JOZANI, HOSSEIN
Exec Dt:
07/14/2022
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400 - 332 6TH AVE SW
CALGARY, CANADA T2P 0B2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230340339
18306825
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST, 855 - 2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 22
Reel/Frame:064083/0667   Pages: 4
Recorded: 06/27/2023
Attorney Dkt #:71904-56
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SODERBERG, JEFFREY
Exec Dt:
06/21/2023
2
JOZANI, HOSSEIN
Exec Dt:
06/21/2023
Assignee
1
CANADIAN ENERGY SERVICES L.P.
1400-332 6TH AVE SW
CALGARY, CANADA T2P 0B2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230416630
18342057
Correspondence name and address
BENNETT JONES LLP, ROSEANN CALDWELL
4500 855 2 ST SW
CALGARY, T2P 4K7 CANADA

Search Results as of: 05/28/2024 05:22 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT